Spare-tire holder



C. G. GROAQUIST.

SPARE TIRE HOLDER.

Mmc/mon mw JAN. 18, 19in.

.3.535555855., Paenv EL i923 SHEETSHSHEET C. G. GRONQUIST. SPARE TIRE HOLDER. APPLICATmN FILED JAN. la. |917.V

2 SHEETS-SHEET 2.

.Ravera/Env# ou@ G. @roza/guisa?.

Patented Jan. 11, 192i.

iis

vwill, of course, be drawn in and out like the the flattened end of the bolt 33 is adapted to fit. lllhen the parte are in the position shown in Fig. 2, the bolt will be disposed in the slot 33 and the male and female screws will be locked together against rotation. il? hen the ley is turned the bolt 33- will be drawn clear of the slot and the turnbuckle may be rotated by the handles 21 either to draw the shoe 13 toward the brace 11 to permit the removal of the rim or to press it away from the brace to lock the rim in position.

The brace 11 in combination pansible connection formed by the rods 15 and 17 and the cooperating turnbuckle 19 forms an expansible and contractible framework connecting the set of three shoes and 13 and adapted to cause relative movement among the same to clamp the tirediolding rim in piace thereon.

llhe pivoting of the shoes 5 on axes per.- pendicular to the plane of the rim to he car'- ried, as is done in the embodiment of the invention here shown, permits the shoes to adjust themselves to the curvature of the rim. lit is possible to utilize a single holder for tires of different sizes and in manufacturing the same, even although for tires of greatly differing diameters, the shoes 5 and' brace 11 do not have to he changed but merely the length of one of the connecting rods or 17 increased. "The pivoting of the two shoes 5 will permit the seating faces of all three shoes to he disposed in substantial coincidence with the circumference of any circle. Y-

Referring to Figs. 5 and 6 l have there shown a suitable form for the shoes 5particularly adapted for use with demountable or removable rims 3 of the kind shown which present an inwardly opening circumferential groove and designed to support either one or more of such rims in theneatest manner.

"in order that the structure may be more readily understood, l show in Fig. 7 a rim of this type mounted in the usual wayion a wheel felly 39 having-.a felly band/41. The

rim 3 is provided on its inner surfz'cf'e Pwith beveled circumferential ribs 43 defining b'etween them the groove referred to. One of the ribs 43 is adapted to lit against `the beveled flange 45 of the felly band `and the other coperates with the wedge ring 47` which holds the rin place on the wheel.

lllhen utilizing iny imprvled form of holder in connection with rimslof this kind, l preferably form fthe shoes 5 as shown in Figs. and (3 with an odd number, herein three. of outwardly projecting portions 49 spaced from each other transversely of the plane in which a rim mounted on the supf with the eXn i 1.; assunse port lies. The shoe'ld may be similarly constructed as will be readily understood. The projections 49 are adapted to enter and fit the groove 37 defined between ribs 43. lf one rim .is to he carried it is preferably mounted on the central projections of the several shoes as shown in Fig. G. If two are to be carried they are mounted on the lateral projections as shown in Fig. 5 which are sufhciently spaced'to accommodate the rims side by side as shown. By this means a holder is provided easily accommodating either one or two rims yet of small' size. Furthermore, since in the embodiment yshown the expanding frame isconnected centrally to shoes 5 and 13, uniformity of clamping pressure on either one or two shoes is assured. The pivotal connection of the shoe 13 to the rod 17 permits the same to swing and adapt itself to the number of rims mounted upon the several shoes, so that the pressure thereon isl equalized and made uniform when the turnbuckle is manipulated. f

F rom this description of one embodiment of my invention, it will be seen that I provide a simple and stron holderV for supporting a tire and one w. ich may conveniently be securely locked to hold the same. Having described 'one mechanical embodi ment of my novel device, whatI claim and desire to secure by Letters Patent is:

1. A tire holder comprising a bar corresponding to a chord of the tirm'shnes pivoted thereto on transverse axes, a member adjustable inlength extending from said bar and carrying a shoe and means for locking said member in adjusted position.

2, A' tire holding mechanism comprisrods having oii'set ends, one end 0f each rod being secured to a vehicle and the other end having a shoe journaled thereon, said shoes being adapted to engage a rim at the extremities of a chord thereof, and a radially adjustable shoe arranged opposite said chord.

3. A tire holding mechanism comprising rods having offset ends, one end of each rod being secured to a vehicle and the other end having a shoe journaled thereon, a brace between said other ends, an extensible arm extending from said brace and carrying a rim engaging shoe and positioning means for said arm.

4. A tire holder comprising a set of Vthree shoes having seats to enga e a rim interiorly, two of said shoes being pivoted on parallel axes substantially perpendicular to the plane of the rim, a frame-work between said shoes disposed substantially in a plane perpendicular to said axes, said frame. being adjustable to vary the diameter of the cir'cle drawn through said shoes.

5. device of the class described de signed particularly for holding demount- :lessees able rims which present a circumferential groove at their inner surfaces, comprising a set of spaced shoes, means for relatively moving the same divergcntly to clamp a rim from the interior thereof, and means for supporting the assemblage from a. vehicle or the like, said shoes having an odd number of outwardly projecting` portions each adapted to enter the groove of rim and 'spaced transversely of the plane of a rim mounted thereon to accommodate rims between or on adjacent alternate projections.

6. A device of the class described coniprising a set of shoes, the outer surfaces thereof' being formed at their middle portions and symmetrically at either side there of with means to interlock transversely with the interior circumference or' a rim, and a framework movable to press said shoes outwardly against a rim mounted thereon, said frame-work being connected to the shoes beneath saidniiddle interlocking portion and midway between the lateral interlocking portions whereby even pressure on one or more rims is assured- 7. A device of the class described compris-- ing a set of members for engaging rims from the interior thereof, said members liaring their outer surfaces formed with central and lateral portions lock transversely witha rizn and spaced to accommodate rims between or on adjacent alternate portions, and means for relatively snoring said shoes to clamp a rim from the interior. l

8. A device of the class described co1nprising a support for engaging rirns from the interior thereof having central and latera-l portions each adapted to interlock .transversely with a riin and coininodate rinis between or on adjacent alternate portions. a dianietrically opposed shoe havingsimi-lar portions and pivoted t0 swing transversely to equalize pressure thereof on one or more rims and means for' movingsaid shoe toward or from port.

ln testimony whereof l name to this specification.

CARL GUSTAVE GRNQUlST the suphave signed my each adapted to interspaced to ac 

